220211212001 has 16 divisors (see below), whose sum is σ = 248608224000. Its totient is φ = 193215724800.

The previous prime is 220211211959. The next prime is 220211212007. The reversal of 220211212001 is 100212112022.

It is not a de Polignac number, because 220211212001 - 2³⁴ = 203031342817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220211212007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722825 + ... + 981273.

It is an arithmetic number, because the mean of its divisors is an integer number (15538014000).

Almost surely, 2^220211212001 is an apocalyptic number.

It is an amenable number.

220211212001 is a deficient number, since it is larger than the sum of its proper divisors (28397011999).

220211212001 is a wasteful number, since it uses less digits than its factorization.

220211212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261160.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220211212001 its reverse (100212112022), we get a palindrome (320423324023).

The spelling of 220211212001 in words is "two hundred twenty billion, two hundred eleven million, two hundred twelve thousand, one".